How to Fix Libatk 1 0 0 Dll in 2 Min, Very Simple Instructions (Recommended). Find the right version of an installer for RStudio for your platform here and download it. . there will be an error popup indicating that libatk-1.0-0.dll . (11 .. libatk-1.0-0.dll - original dll file, download here. One click to download this file. Repair your system.